[PATCH v2 2/2] media:admin-guide:mgb4: Add zDML color mapping info

From: tumic

Date: Tue Jan 27 2026 - 07:43:52 EST


From: Martin Tůma <martin.tuma@xxxxxxxxxxxxxxxxxxxxx>

Document the zDML (Audi Digital Matrix Light) color mapping option for
the inputs and the new outputs color mapping property.

Signed-off-by: Martin Tůma <martin.tuma@xxxxxxxxxxxxxxxxxxxxx>
---
Documentation/admin-guide/media/mgb4.rst | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/admin-guide/media/mgb4.rst b/Documentation/admin-guide/media/mgb4.rst
index 0a8a56e837f7..8e429fd77712 100644
--- a/Documentation/admin-guide/media/mgb4.rst
+++ b/Documentation/admin-guide/media/mgb4.rst
@@ -74,6 +74,7 @@ Common FPDL3/GMSL input parameters

| 0 - OLDI/JEIDA
| 1 - SPWG/VESA (default)
+ | 2 - ZDML

**link_status** (R):
Video link status. If the link is locked, chips are properly connected and
@@ -240,6 +241,13 @@ Common FPDL3/GMSL output parameters
*Note: This parameter can not be changed while the output v4l2 device is
open.*

+**color_mapping** (RW):
+ Mapping of the outgoing bits in the signal to the colour bits of the pixels.
+
+ | 0 - OLDI/JEIDA
+ | 1 - SPWG/VESA (default)
+ | 2 - ZDML
+
**frame_rate** (RW):
Output video signal frame rate limit in frames per second. Due to
the limited output pixel clock steps, the card can not always generate
--
2.52.0